High severity · published May 4, 2026
CVE-2026-25266
Exposed dangerous function in windows host
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Memory corruption while processing IOCTL command when device is in power-save state.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
Cologne; FastConnect 6900; FastConnect 7800; SC8380XP; Snapdragon AR1 Gen 1 Platform; WCD9378C; +18 more · source: vendor
CF
Cologne Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sc8380xp Firmware · Qualcomm
All versions, or not specified · source: NVD
SA
Snapdragon Ar1 Gen 1 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9378c Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9380 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9385 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcn7861 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcn7880 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wsa8830 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25266
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25266
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html
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